1. Preschool children's all-round development education refers to the education that takes the demonstration and possibility of preschool children's physical and mental development as the premise, aims at promoting preschool children's all-round and harmonious development in physical, intellectual, moral and aesthetic aspects, and is implemented in ways, methods and means suitable for preschool children's physical and mental development characteristics, with the aim of cultivating preschool children's quality. Implementing the all-round development education of preschool children is the basic starting point of preschool education in China, and it is also the task of preschool education stipulated by laws and regulations of preschool education in China.

2. The significance of preschool children's all-round development education to social development is: 1) Paying attention to preschool children's physical education is conducive to improving the physical quality of the whole nation; 2) Attaching importance to preschool children's intelligence education can lay a foundation for improving the cultural and scientific level of society; 3) Moral education is the guarantee for the continuous development of socialist material civilization; 4) Aesthetic education helps to improve the aesthetic ability of the whole society, form a good social atmosphere and resist outdated customs.

3. The significance of preschool children's all-round development education to individual development is: 1) Physical education can promote children's normal growth and development, comprehensively enhance their physique, and lay a good material foundation for children's other aspects of development; 2) Intellectual education can meet children's cognitive needs, promote children's intellectual development, and lay a good knowledge and intellectual foundation for future study; 3) Moral education can help children adapt to social life and promote the healthy development of personality; 4) Aesthetic education can cultivate children's minds and promote their aesthetic ability and intellectual development. Preschool children's physical education refers to a series of educational activities that follow the law of children's physical growth and development, use scientific methods to enhance children's physique and ensure children's health.

4. American psychologist: Bloom followed thousands of children and concluded that children's intelligence developed fastest before the age of 5. Intellectual education can meet children's cognitive needs in a purposeful, planned and systematic way.

5. The task of preschool children's physical education is: 1) to protect children's lives and promote their normal development and healthy growth; 2) Cultivate children's good living and hygiene habits; 3) Exercise children's bodies, develop children's basic movements, cultivate children's correct posture and enhance their physique; 4) Enhance children's awareness of self-protection.